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unisonic technologies co., ltd lr1106 cmos ic www.unisonic.com.tw 1 of 17 copyright ? 2012 unisonic technologies co., ltd qw-r502-055,q large current positive voltage regulators ? description the utc lr1106 series are positive voltage regulators that developed in cmos technology with highly precise, low power consumption. it is capable of large currents with a significantly small dropout voltage. the device consists of a driver transistor, a precision reference voltage and an error amplifier. basi cally, output voltage is selectable in 0.1v step form 1.8v to 6.0v, 2.85v also is available. ? features * maximum output current : 400ma * maximum operating voltage : 8v * highly accurate : 2% * low power consumption : typ 8.0 a * output voltage temperature characteristics : typ 100ppm/c ? ordering information ordering number package pin assignment packing lead free halogen free 12345 6 7 8 lr1106l-xx-ab3-b-r lr1106g-xx-ab3-b-r sot-89 o g i - - - - - tape reel lr1106l-xx-ab3-c-r lr1106g-xx-ab3-c-r sot-89 g i o - - - - - tape reel LR1106L-XX-AE3-3-R lr1106g-xx-ae3-3-r sot-23 o g i - - - - - tape reel lr1106l-xx-af5-r lr1106g-xx-af5-r sot-25 i g e n o - - - tape reel lr1106l-xx-s08-r lr1106g-xx-s08-r sop-8 o n g n e n n i tape reel lr1106l-xx-s08-t lr1106g-xx-s08-t sop-8 o n g n e n n i tube lr1106l-xx-vb06-2018-r lr1106g-xx-vb06-2018-r vson-6 i n o n g e - - tape reel note: pin assignment: i: v in o: v out g: gnd n: no connection e: enable xx: output voltage, refe r to marking information. (1) r: tape reel, t: tube (2) refer to pin assignment (3) ab3: sot-89, ae3: sot-23, af5: sot-25, (3) s08: sop-8, vb06-2018: vson-6 (4) xx: refer to marking information (5) g: halogen free, l: lead free lr1106l -xx -ab3 -b -r (1) packing type (2) pin code (3) package type (4) output voltage code (5) lead free
lr1106 cmos ic unisonic technologies co., ltd 2 of 17 www.unisonic.com.tw qw-r502-055,q ? marking information package voltage code pin code 1 2 3456 marking sot-23 18:1.8v 22:2.2v 25:2.5v 27:2.7v 28:2.8v 2j:2.85v 30:3.0v 31:3.1v 33:3.3v 50:5.0v 3 o g i - - - sot-25 - i g e n o - 3 2 1 smxx 5 4 voltage code l: lead free g: halogen free sot-89 b o g i -- - 123 xx lr1106 date code pin code voltage code l: lead free g: halogen free c g i o --- vson-6 - i n o ngc sm xx l: lead free g: halogen free voltage code
lr1106 cmos ic unisonic technologies co., ltd 3 of 17 www.unisonic.com.tw qw-r502-055,q ? block diagram voltage reference gnd v out v in + - for sot-89 / sot-23 package en v in v out gnd voltage reference + - for sop-8 / vson-6 / sot-25 package
lr1106 cmos ic unisonic technologies co., ltd 4 of 17 www.unisonic.com.tw qw-r502-055,q ? absolute maximum ratings (t a =25 , unless otherwise specified) parameter symbol ratings unit input voltage v in 8 v output voltage v out v ss -0.3 ~ v in +0.3 v output current i out 400 ma power dissipation sot-25/sot-23 p d 300 mw sot-89/sop-8 500 mw vson-6 1000 mw operating ambient temperature t opr -40 ~ +85 storage temperature t stg -40 ~ +125 note: absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. ? electrical characteristics (t a =25 , unless otherwise specified.) for lr1106-18 parameter symbol test conditions min typ max unit output voltage v out v in =2.8v, i out =40ma 1.764 1.800 1.836 v input voltage v in 8 v load regulation v out v in =2.8v, 1ma i out 200ma 40 100 mv dropout voltage v d1 i out =100ma 200 300 mv v d2 i out =200ma 400 600 maximum output current i out ( max ) v in =2.8v, v out v out 0.90 400 ma supply current i ss v in =2.8v, v en =v in 30.0 50.0 a en input bias current i eh v en =v in 0.1 a i el v en =0, v in =2.8v to 8v 1.0 3.0 a en input threshold v eh v in =2.8v to 8v v in /2+0.8 v in v v el v in =2.8v to 8v 0 0.4 v line regulation v out v in v out i out =40ma, 2.8v v in 8.0v 0.2 0.5 %/v output voltage temperature characteristics v out t opr v out i out =40ma 100 ppm/ for lr1106-22 parameter symbol test conditions min typ max unit output voltage v out v in =3.2v, i out =40ma 2.156 2.200 2.244 v input voltage v in 8 v load regulation v out v in =3.2v, 1ma i out 200ma 40 100 mv dropout voltage v d1 i out =100ma 200 300 mv v d2 i out =200ma 400 600 maximum output current i out ( max ) v in =3.2v, v out v out 0.90 400 ma supply current i ss v in =3.2v, v en =v in 30.0 50.0 a en input bias current i eh v en =v in 0.1 a i el v en =0, v in =3.2v to 8v 1.0 3.0 a en input threshold v eh v in =3.2v to 8v v in /2+0.8 v in v v el v in =3.2v to 8v 0 0.4 v line regulation v out v in v out i out =40ma, 3.2v v in 8.0v 0.2 0.5 %/v output voltage temperature characteristics v out t opr v out i out =40ma 100 ppm/
lr1106 cmos ic unisonic technologies co., ltd 5 of 17 www.unisonic.com.tw qw-r502-055,q ? electrical characteristics(cont.) for lr1106-25 parameter symbol test conditions min typ max unit output voltage v out v in =3.5v, i out =40ma 2.450 2.500 2.550 v input voltage v in 8 v load regulation v out v in =3.5v, 1ma i out 200ma 40 100 mv dropout voltage v d1 i out =100ma 170 250 mv v d2 i out =200ma 320 500 maximum output current i out ( max ) v in =3.5v, v out v out 0.93 400 ma supply current i ss v in =3.5v, v en =v in 30.0 50.0 a en input bias current i eh v en =v in 0.1 a i el v en =0, v in =3.5v to 8v 1.0 3.0 a en input threshold v eh v in =3.5v to 8v v in /2+0.8 v in v v el v in =3.5v to 8v 0 0.4 v line regulation v out v in v out i out =40ma, 3.5v v in 8.0v 0.2 0.5 %/v output voltage temperature characteristics v out t opr v out i out =40ma 100 ppm/ for lr1106-27 parameter symbol test conditions min typ max unit output voltage v out v in =3.7v, i out =40ma 2.646 2.700 2.754 v input voltage v in 8 v load regulation v out v in =3.7v, 1ma i out 200ma 40 100 mv dropout voltage v d1 i out =100ma 170 250 mv v d2 i out =200ma 320 500 maximum output current i out ( max ) v in =3.7v, v out v out 0.93 400 ma supply current i ss v in =3.7v, v en =v in 30.0 50.0 a en input bias current i eh v en =v in 0.1 a i el v en =0, v in =3.7v to 8v 1.0 3.0 a en input threshold v eh v in =3.7v to 8v v in /2+0.8 v in v v el v in =3.7v to 8v 0 0.4 v line regulation v out v in v out i out =40ma, 3.7v v in 8.0v 0.2 0.5 %/v output voltage temperature characteristics v out t opr v out i out =40ma 100 ppm/ for lr1106-28 parameter symbol test conditions min typ max unit output voltage v out v in =3.8v, i out =40ma 2.744 2.800 2.856 v input voltage v in 8 v load regulation v out v in =3.8v, 1ma i out 200ma 40 100 mv dropout voltage v d1 i out =100ma 170 250 mv v d2 i out =200ma 320 500 maximum output current i out ( max ) v in =3.8v, v out v out 0.93 400 ma supply current i ss v in =3.8v, v en =v in 30.0 50.0 a en input bias current i eh v en =v in 0.1 a i el v en =0, v in =3.8v to 8v 1.0 3.0 a en input threshold v eh v in =3.8v to 8v v in /2+0.8 v in v v el v in =3.8v to 8v 0 0.4 v line regulation v out v in v out i out =40ma, 3.8v v in 8.0v 0.2 0.5 %/v output voltage temperature characteristics v out t opr v out i out =40ma 100 ppm /
lr1106 cmos ic unisonic technologies co., ltd 6 of 17 www.unisonic.com.tw qw-r502-055,q ? electrical characteristics(cont.) for lr1106-2j(2.85v) parameter symbol test conditions min typ max unit output voltage v out v in =3.85v, i out =40ma 2.793 2.850 2.907 v input voltage v in 8 v load regulation v out v in =3.85v, 1ma i out 200ma 40 100 mv dropout voltage v d1 i out =100ma 170 250 mv v d2 i out =200ma 250 500 maximum output current i out ( max ) v in =3.85v, v out v out 0.93 400 ma supply current i ss v in =3.85v, v en =v in 30.0 50.0 a en input bias current i eh v en =v in 0.1 a i el v en =0, v in =3.85 to 8v 1.0 3.0 a en input threshold v eh v in =3.85v to 8v v in /2+0.8 v in v v el v in =3.85v to 8v 0 0.4 v line regulation v out v in v out i out =40ma, 3.85v v in 8.0v 0.2 0.5 %/v output voltage temperature characteristics v out t opr v out i out =40ma 100 ppm/ for lr1106-30 parameter symbol test conditions min typ max unit output voltage v out v in =4.0v, i out =40ma 2.940 3.000 3.060 v input voltage v in 8 v load regulation v out v in =4.0v, 1ma i out 200ma 40 100 mv dropout voltage v d1 i out =100ma 150 220 mv v d2 i out =200ma 300 420 maximum output current i out ( max ) v in =4.0v, v out v out 0.96 400 ma supply current i ss v in =4.0v, v en =v in 30.0 50.0 a en input bias current i eh v en =v in 0.1 a i el v en =0, v in =4.0v to 8v 1.0 3.0 a en input threshold v eh v in =4.0v to 8v v in /2+0.8 v in v v el v in =4.0v to 8v 0 0.4 v line regulation v out v in v out i out =40ma, 4v v in 8.0v 0.2 0.5 %/v output voltage temperature characteristics v out t opr v out i out =40ma 100 ppm/ for lr1106-31 parameter symbol test conditions min typ max unit output voltage v out v in =4.1v, i out =40ma 3.038 3.100 3.162 v input voltage v in 8 v load regulation v out v in =4.1v, 1ma i out 200ma 40 100 mv dropout voltage v d1 i out =100ma 150 220 mv v d2 i out =200ma 300 420 maximum output current i out ( max ) v in =4.1v, v out v out 0.96 400 ma supply current i ss v in =4.1v, v en =v in 30.0 50.0 a en input bias current i eh v en =v in 0.1 a i el v en =0, v in =4.1v to 8v 1.0 3.0 a en input threshold v eh v in =4.1v to 8v v in /2+0.8 v in v v el v in =4.1v to 8v 0 0.4 v line regulation v out v in v out i out =40ma, 4v v in 8.0v 0.2 0.5 %/v output voltage temperature characteristics v out t opr v out i out =40ma 100 ppm/
lr1106 cmos ic unisonic technologies co., ltd 7 of 17 www.unisonic.com.tw qw-r502-055,q ? electrical characteristics(cont.) for lr1106-33 parameter symbol test conditions min typ max unit output voltage v out v in =4.3v, i out =40ma 3.234 3.300 3.366 v input voltage v in 8 v load regulation v out v in =4.3v, 1ma i out 200ma 40 100 mv dropout voltage v d1 i out =100ma 150 220 mv v d2 i out =200ma 300 420 maximum output current i out ( max ) v in =4.3v, v out v out 0.96 400 ma supply current i ss v in =4.3v, v en =v in 30.0 50.0 a en input bias current i eh v en =v in 0.1 a i el v en =0, v in =4.3v to 8v 1.0 3.0 a en input threshold v eh v in =4.3v to 8v v in /2+0.8 v in v v el v in =4.3v to 8v 0 0.4 v line regulation v out v in v out i out =40ma, 4.3v v in 8.0v 0.2 0.5 %/v output voltage temperature characteristics v out t opr v out i out =40ma 100 ppm/ for lr1106-50 parameter symbol test conditions min typ max unit output voltage v out v in =6.0v, i out =40ma 4.900 5.000 5.100 v input voltage v in 8 v load regulation v out v in =6.0v, 1ma i out 200ma 40 100 mv dropout voltage v d1 i out =100ma 100 180 mv v d2 i out =200ma 200 320 maximum output current i out ( max ) v in =6.0v, v out v out 0.96 400 ma supply current i ss v in =6.0v, v en =v in 30.0 50.0 a en input bias current i eh v en =v in 0.1 a i el v en =0, v in =6.0v to 8v 1.0 3.0 a en input threshold v eh v in =6.0v to 8v v in /2+0.8 v in v v el v in =6.0v to 8v 0 0.4 v line regulation v out v in v out i out =40ma, 6.0v v in 8.0v 0.2 0.5 %/v output voltage temperature characteristics v out t opr v out i out =40ma 100 ppm/
lr1106 cmos ic unisonic technologies co., ltd 8 of 17 www.unisonic.com.tw qw-r502-055,q ? typical application circuit
lr1106 cmos ic unisonic technologies co., ltd 9 of 17 www.unisonic.com.tw qw-r502-055,q ? typical characteristics (1) lr1106-18 1.2 0.8 0.6 0.2 0.0 0 100 200 300 400 output current, i out (ma) t opr =25 c in =c l =1.0 f (tantalum) 0.4 1.0 0 02 468 input voltage, v in (v) 5 10 15 20 85 t opr =25 85 dropout voltage vs. output current supply current vs. input voltage output voltage, v out (v) supply current, iss (a)
lr1106 cmos ic unisonic technologies co., ltd 10 of 17 www.unisonic.com.tw qw-r502-055,q ? typical characteristics (cont.)
lr1106 cmos ic unisonic technologies co., ltd 11 of 17 www.unisonic.com.tw qw-r502-055,q ? typical characteristics (cont.) (2) lr1106-25 output voltage, v out (v) output voltage, v out (v) c in =c l =1.0f (tantalum) dropout voltage, v d (v) 1.2 1.0 0.6 0.0 0 100 200 300 400 85 t opr =25 output current, i out (ma) 0.8 0.4 0.2 supply current, i ss ( a) 20 8 85 t opr =25 input voltage, v in (v) 6 4 2 0 15 10 5 0 dropout voltage vs output current supply current vs input voltage 2.60 2.40 100 ambient temperature, t opr ( ) output voltage, v out (v) i out =1ma i out =40ma i out =100ma 80 60 40 20 0 -20 -40 -60 2.45 2.50 2.55 0 100 ambient temperature, t opr ( ) supply current, iss (a) 80 60 40 20 0 -20 -40 -60 5 10 15 20 v in =3.5v output voltage vs ambient temperature supply current vs ambient temperature
lr1106 cmos ic unisonic technologies co., ltd 12 of 17 www.unisonic.com.tw qw-r502-055,q ? typical characteristics (cont.)
lr1106 cmos ic unisonic technologies co., ltd 13 of 17 www.unisonic.com.tw qw-r502-055,q ? typical characteristics (cont.) (3) lr1106-33 v in =4.3v c in =c l =1.0f (tantalum) output voltage, v out (v) 3.4 3.3 3.2 3.1 3.0 0 100 200 300 400 85 t opr =25 output current, i out (ma) input voltage, v in (v) output voltage vs output current output voltage vs input voltage output voltage, v out (v) 1 0 i out =1ma i out =40ma i out =100ma 2 3 2.5 1.5 c in =c l =1.0f (tantalum) t opr =25 12 3 45 6 7 8 dropout voltage, v d (v) supply current, i ss (a) output voltage, v out (v) supply current, iss (a)
lr1106 cmos ic unisonic technologies co., ltd 14 of 17 www.unisonic.com.tw qw-r502-055,q ? typical characteristics (cont.) 4 v in =4.3v c in =c l =1.0f (tantalum) output voltage 3 2 1 0 200 160 120 80 40 0 output current 40ma 1ma 5 time (1msec/div) time (1msec/div) 5 v in =4.3v c in =c l =1f (tantalum) output voltage 3 2 1 0 200 0 output current 200ma 1ma 400 600 800 1000 4 load transient response load transient response ripple frequency, f (khz) v in =4.3v dc +1v p-pac i out =40ma c l =1f (tantalum) 10 0.1 0.01 0 10 20 30 40 50 60 1 ripple frequency, f (khz) 10 v in =4.3v dc +1v p-pac i out =100ma, c l =1f (tantalum) 0.1 0.01 0 10 20 30 40 50 60 1 ripple rejection rate ripple rejection rate
lr1106 cmos ic unisonic technologies co., ltd 15 of 17 www.unisonic.com.tw qw-r502-055,q ? typical characteristics (cont.) (4) lr1106-50 output voltage, v out (v) output voltage, v out (v) c in =c l =1.0f (tantalum) dropout voltage, v d (v) 1.2 1.0 0.6 0.0 0 100 200 300 400 85 t opr =25 output current, i out (ma) 0.8 0.4 0.2 supply current, i ss (a) 20 8 85 t opr =25 input voltage, v in (v) 6 4 2 0 15 10 5 0 dropout voltage vs output current supply current vs input voltage 5.10 4.90 100 ambient temperature, t opr ( ) output voltage, v out (v) i out =1ma i out =40ma i out =100ma 80 60 40 20 0 -20 -40 -60 4.95 5.00 5.05 0 100 ambient temperature, t opr ( ) supply current, iss (a) 80 60 40 20 0 -20 -40 -60 5 10 15 20 v in =6v output voltage vs am bient temperature supply current vs ambient temperature
lr1106 cmos ic unisonic technologies co., ltd 16 of 17 www.unisonic.com.tw qw-r502-055,q ? typical characteristics (cont.) time (40sec/div) input voltage, v in (v) 6 i out =1ma c in =c l =1f (tantalum) t opr =25 input voltage output voltage output voltage, v out (v) 5 4 3 2 4.6 4.8 5.0 5.2 5.4 5.6 5.8 7 8 time (40sec/div) input voltage, v in (v) 8 i out =200ma c in =c l =1f (tantalum) t opr =25 input voltage output voltage output voltage, v out (v) 7 6 5 4 3 24.6 4.8 5.0 5.2 5.4 5.6 5.8 input transient response i nput transient response ripple rejection rate, rr (db) ripple rejection rate, rr (db)
lr1106 cmos ic unisonic technologies co., ltd 17 of 17 www.unisonic.com.tw qw-r502-055,q utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.

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